11900194 has 8 divisors (see below), whose sum is σ = 18789840. Its totient is φ = 5636916.

The previous prime is 11900173. The next prime is 11900201. The reversal of 11900194 is 49100911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11900194² = 283229234475272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156544 + ... + 156619.

It is an arithmetic number, because the mean of its divisors is an integer number (2348730).

Almost surely, 2^11900194 is an apocalyptic number.

11900194 is a deficient number, since it is larger than the sum of its proper divisors (6889646).

11900194 is a wasteful number, since it uses less digits than its factorization.

11900194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313184.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 11900194 is about 3449.6657809127. The cubic root of 11900194 is about 228.3063620382.

The spelling of 11900194 in words is "eleven million, nine hundred thousand, one hundred ninety-four".